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kernel: Replace kmalloc() usages with kzalloc() (#2939)

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This ensures we won't use uninitialized pointers for task work.
This commit is contained in:
Wang Han
2025-11-16 15:17:55 +08:00
committed by ShirkNeko
parent e2bcec1ee2
commit 0d251a2655
7 changed files with 13 additions and 12 deletions
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4
kernel/manual_su.c
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@@ -50,7 +50,7 @@ static char* get_token_from_envp(void)
return NULL;
}
env_copy = kmalloc(env_len + 1, GFP_KERNEL);
env_copy = kzalloc(env_len + 1, GFP_KERNEL);
if (!env_copy) {
up_read(&mm->mmap_lock);
return NULL;
@@ -73,7 +73,7 @@ static char* get_token_from_envp(void)
char *token_end = strchr(token_start, '\0');
if (token_end && (token_end - token_start) == KSU_TOKEN_LENGTH) {
token = kmalloc(KSU_TOKEN_LENGTH + 1, GFP_KERNEL);
token = kzalloc(KSU_TOKEN_LENGTH + 1, GFP_KERNEL);
if (token) {
memcpy(token, token_start, KSU_TOKEN_LENGTH);
token[KSU_TOKEN_LENGTH] = '\0';